Finding the Fourth Proportional to 431,095.44, 646,389.36 and 164,875.44
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Solution
The fourth proportional to 431,095.44, 646,389.36 and 164,875.44 is: 247,216.09
Step by Step Solution
- Step 1: Write the proportion equation
431,095.44 : 646,389.36 = 164,875.44 : x - Step 2: Convert to fraction form
431,095.44/646,389.36 = 164,875.44/x - Step 3: Cross multiply
431,095.44x = 646,389.36 × 164,875.44 - Step 4: Simplify right side
431,095.44x = 106,573,730,141.32 - Step 5: Solve for x
x = 106,573,730,141.32/431,095.44 - Step 6: Final answer
x = 247,216.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.